html {
  // 解决滚动条平滑滚动的
  scroll-behavior: smooth;
}
body {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  width: 1920px;
  //   占位用的假高度，后续记得删除
  height: 6500px;
  //   顶部导航
  .nav {
    display: flex;
    width: 100%;
    height: 65px;
    background-color: #fff;
    box-shadow: 0px 3px 10px 0px rgba(179, 179, 179, 0.56);
    //logo部分
    .logo {
      margin-left: 387px;
      margin-top: 14px;
      width: 54px;
      height: 33px;
      a {
        display: block;
        width: 100%;
        height: 100%;
        background: url("../images/nav/logonew.png") no-repeat center;
      }
    }
    // 导航部分
    .subnav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-left: 387px;
      width: 697px;
      height: 65px;
      li {
        cursor: pointer;
        height: 100%;
        line-height: 65px;
        a {
          font-size: 16px;
          color: #1a1a1a;
          text-decoration: none;
          transition: all 0.5s ease;
        }
      }
      .active {
        border-bottom: 2px solid #19bc64;
        a {
          color: #19bc64;
        }
      }
    }
  }
  //   底部信息样式
  .bottom {
    margin-top: 100px;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 313px;
    background-color: #202020;
    box-shadow: 0px -3px 10px 0px rgba(179, 179, 179, 0.56);
    color: #999;
    .bottom_text {
      display: flex;
      padding-left: 361px;
      padding-top: 49px;
      ul {
        width: 164px;
        display: flex;
        padding: 20px 0 13px 0;
        flex-direction: column;
        &:nth-child(1),
        &:nth-child(3) {
          height: 145px;
        }
        &:nth-child(2),
        &:nth-child(4),
        &:nth-child(5) {
          height: 182px;
        }
        &:nth-child(6) {
          width: 337px;
          height: 171px;
          position: relative;
          &::before {
            position: absolute;
            content: "";
            width: 1px;
            height: 100px;
            top: 92px;
            left: -33px;
            background-color: #4d4d4d;
          }
        }
        li {
          margin-bottom: 24px;
          font-size: 14px;
          color: #999;
          &:nth-child(1) {
            margin-bottom: 37px;
            font-size: 16px;
            color: #e6e6e6;
          }
          a {
            transition: all 0.3s ease;
            &:hover {
              cursor: pointer;
              color: #fff;
            }
          }
          p {
            display: flex;
            align-items: center;
            span {
              display: inline-block;
              margin-right: 31px;
              width: 26px;
              height: 26px;
              font-size: 18px;
              color: #000;
              line-height: 26px;
              text-align: center;
              background-color: #e6e6e6;
              border-radius: 50%;
            }
          }
        }
      }
    }
    .bottom_end {
      padding-left: 361px;
      height: 47px;
      border-top: 2px solid #666;
      ul {
        display: flex;
        margin-top: 14px;
        li {
          &:nth-child(1) {
            width: 765px;
            height: 13px;
            line-height: 13px;
            font-size: 12px;
          }
          &:nth-child(2) {
            margin-left: 213px;
            font-size: 14px;
          }
          a {
            transition: all 0.3s ease;
            &:hover {
              cursor: pointer;
              color: #fff;
            }
            span {
              display: inline-block;
              margin-left: 19px;
              font-size: 20px;
            }
          }
        }
      }
    }
  }
}
